These are all character entities from HTML and most character entities from MathML, which includes entities from the SGML entity sets in ISO 8879 (1986) and ISO 9573 (1993).

Note: The MathML standards recommend these mappings. Some ISO 8879 and ISO 9573 entities cannot be not mapped to individual Unicode characters. (Many were originally defined in terms of LATEX macros.) Only entities mapped to single Unicode characters are represented; those mapped to strings or glyphs with modifier characters are not.